2022 – JAMB BIOLOGY PAST QUESTIONS & ANSWERS CBT PRACTICE You can also check in for latest; 9JA Music Gospel Music Foreign Music 5 123456789101112131415161718192021222324252627282930 2022 - JAMB Biology Past Questions & Answers Cbt Practice 1 / 30 1. The growth of mucor on a piece of bread is? a) autotrophism b) commensalism c) scavenging d) saprophytism 2 / 30 2. The internal structure of a leaf that has larger air space is? a) spongy mesophyll b) palisade mesophyll c) vascular bundles d) epidermis 3 / 30 3. The structure that joins the two strands of a chromosome together is the? a) cellulose b) spindle c) chromatid d) centromere 4 / 30 4. The body of a snail is divided into head? a) visceral mass and foot b) thorax and abdomen c) thorax and foot d) visceral mass and abdomen 5 / 30 5. The components of blood in man are? a) red blood cells, white blood cells, plasma and water b) red blood cells, white blood cells, and platelets c) red blood cells, white blood cells, and plasma d) red blood cells, white blood cells, plasma and platelets 6 / 30 6. The correct pathway for blood flow from the heart to the tissues of mammals is? a) heart-arteriole-artery-tissues b) heart-vein-venule-tissues c) heart-venule-vein-tissues d) heart-artery-arteriole-tissues 7 / 30 7. Which of the following is associated with the dark stage of photosynthesis? a) Photolysis b) Excitation of chlorophyll c) Assimilation of Carbon(IV)oxide d) Photophosphorylation 8 / 30 8. Conversion of atmosphere carbon into chemical bond energy occurs during the process of? a) digestion b) photosynthesis c) transpiration d) respiration 9 / 30 9. An example of arboreal animal is? a) duck b) rat c) squirrels d) pig 10 / 30 10. The movement of sugars from the leaf to other parts of plant is? a) translocation b) transportation c) guttation d) transpiration 11 / 30 11. The genes crossing over occurs during? a) fertilization b) meiosis c) mutation d) mitosis 12 / 30 12. When a colour blind woman marries a normal man, what is the probability of their son being colour blind? a) 0% b) 25% c) 100% d) 50% 13 / 30 13. sources of air pollutants are? a) sewage,smoke and old vehicles b) sulphurdioxide, acid rain and pesticides c) industrial chimneys, burning fossil oils and river dams d) sulphur dioxide, vehicle exhausts, and aerosols 14 / 30 14. Gaseous exchange in annelids is more advanced and efficient compared to flatworms because? a) they have well developed respiratory structures b) their surface area to volume ratio is very low c) their cylindrical shape gives high surface area to volume ratio d) the cells of their epidermis have no blood capillaries 15 / 30 15. An ecological instrument used to measure wind direction is? a) slope gauge b) wind vane c) Secchi disc d) anemometer 16 / 30 16. The development of big muscles by a wrestler is an example of? a) atrophication b) acquired characteristics c) mutation d) inherited characteristics 17 / 30 17. The part of mammalian skin that excretes metabolic wastes is? a) sweat gland b) sebaceous gland c) Malpighian layer d) horny layer 18 / 30 18. Tall trees with buttress roots and evergreen leaves are characteristics features of? a) Northern Guinea savanna b) tropical rain forests c) temperate grass land d) Southern Guinea Savanna 19 / 30 19. In genetic counseling, a man with hemoglobin formation HbA HbS is most preferred to marry a woman of? a) HbA HbA b) HbS HbS c) HbM HbF d) HbC HbH 20 / 30 20. The waste product of insects is? a) urine b) Mucilage c) sweat d) uric acid 21 / 30 21. Lack of nucleus is a feature in? a) neurone b) osteocyte c) leucocyte d) erythrocyte 22 / 30 22. A universal recipient of blood belongs to blood group? a) AB b) A c) B d) ) 23 / 30 23. An adaptation for defense in animals is? a) huddling together of penguins b) basking in lizard c) spines in porcupine fish d) croaking of a male toad 24 / 30 24. The feeding relationship that exists between a tick and a cow is? a) saprophytism b) mechanism c) parasitism d) commensalism 25 / 30 25. During mitosis, the stage at which chromosomes lines up around the equator is? a) metasphase b) anaphase c) prophase d) telophase 26 / 30 26. The part that performs urinogenital function in the male reproductive system is the? a) urethra b) seminal vesacle c) epididymis d) ureter 27 / 30 27. Succession that occurs on an abandoned farm land is? a) primary b) tertiary c) climax d) secondary 28 / 30 28. The movement of Euglena towards the source of light is a? a) nastic movement b) tropic movement c) tactic movement d) kinetic movement 29 / 30 29. In Nigeria, Southern Guinea Savanna is found in? a) Kogi and Kwara b) Borno and Sokoto c) Kano and Niger d) Kaduna and Cross River 30 / 30 30. The type of fruit that is formed from a single flower having several free carpels is? a) fleshy fruit b) indehiscent fruit c) simple fruit d) aggregate fruit Your score is The average score is 44% Restart Cbt Please click the stars to rate the quiz Send feedback
